Home / 3,098.08-4,274.92-1,771.76

Finding the Fourth Proportional to 3,098.08, 4,274.92 and 1,771.76

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Solution

The fourth proportional to 3,098.08, 4,274.92 and 1,771.76 is: 2,444.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098.08 : 4,274.92 = 1,771.76 : x
  2. Step 2: Convert to fraction form
    3,098.08/4,274.92 = 1,771.76/x
  3. Step 3: Cross multiply
    3,098.08x = 4,274.92 × 1,771.76
  4. Step 4: Simplify right side
    3,098.08x = 7,574,113.10
  5. Step 5: Solve for x
    x = 7,574,113.10/3,098.08
  6. Step 6: Final answer
    x = 2,444.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.